高性能multi-bit delta-sigma音频ADC
102分贝信噪比
-85 dB THD+N
24位,8至100 kHz采样频率
I2S/PCM主或从模式数据接口
支持TDM
256/384Fs, USB 12/24 MHz和其他非标准音频系统时钟
低功耗待机模式
麦克风阵列
智能语音音箱
远场语音捕获
PIN NAME | PIN NUMBER | I/O | DESCRIPTION |
CDATA, CCLK | 3, 4 | I/O, I | I2C clock and data |
AD0, AD1 | 1, 2 | I | I2C address |
MCLK | 5 | I | Master clock |
SCLK | 9 | I/O | Serial data bit clock |
LRCK | 10 | I/O | Serial data left and right channel frame clock |
SDOUT1/TDMOUT SDOUT2/TDMIN | 11 12 | O I/O | Serial data output or TDM data input and output |
INT | 13 | O | Interrupt |
DMIC_CLK | 14 | O | Digital mic clock |
MIC1P, MIC1N MIC2P, MIC2N MIC3P, MIC3N MIC4P, MIC4N | 16, 15 19, 20 31, 32 28, 27 | Analog | Mic inpu tMIC1P and MIC3P can be used as digital mic data input |
MICBIAS12 MICBIAS34 | 24 26 | Analog | Mic bias |
VDDP | 6 | Analog | Power supply for the digital input and output |
VDDD, GNDD | 7, 8 | Analog | Digital power supply |
VDDA, GNDA | 22, 21 | Analog | Analog power supply |
VDDM | 23 | Analog | Analog power supply |
REFP12, REFP34 | 17, 29 | Analog | Filtering capacitor connection |
REFQ12, REFQ34 | 18, 30 | Analog | Filtering capacitor connection |
REFQM | 25 | Filtering capacitor connection |
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